Expression of Melanocortin-4 Receptor mRNA in Male Rat Hypothalamus During Chronic Stress

被引:0
作者
Kheirabad, Maryam Karami [1 ]
Jahromi, Bahia Namavar [2 ]
Tamadon, Amin [3 ]
Ramezani, Amin [4 ,5 ]
Ahmadloo, Somayeh [2 ]
Sarvestani, Fatemeh Sabet [2 ]
Koohi-Hosseinabadi, Omid [6 ]
机构
[1] Azad Univ, Gachsaran Branch, Dept Basic Sci, Gachsaran, Iran
[2] Shiraz Univ Med Sci, Sch Med, Dept OB GYN, Infertil Res Ctr, Shiraz, Iran
[3] Shiraz Univ Med Sci, Transgen Technol Res Ctr, Shiraz, Iran
[4] Shiraz Univ Med Sci, Sch Adv Med Sci & Technol, Dept Med Biotechnol, Shiraz, Iran
[5] Shiraz Univ Med Sci, Inst Canc Res, Shiraz, Iran
[6] Shiraz Univ Med Sci, Lab Anim Ctr, Shiraz, Iran
关键词
Chronic stress; melanocortin 4 receptor (MC4R); hypothalamus; rats;
D O I
暂无
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
The effects of chronic stress and glucocorticoids receptor antagonist (RU486) on expression of melanocortin 4 receptor (MC4R) mRNA in arcuate nucleus (ARC) of male rats were evaluated. In this study, adult male Sprague Dawley rats were placed into four groups (n=6/group); stress, RU486, stress/RU486, and control groups. In stress group, the rats were restrained, 1 h/day, for 12 days. In RU486 group, the rats were injected RU486 for 12 days. In stress/RU486 group, the rats were injected RU486 1 h before the stress process for 12 days. Relative expression of MC4R mRNA was determined using real-time PCR. Relative expression of MC4R mRNA in the stress group was higher than that of the control rats (P<0.05). Relative expressions of MC4R mRNA were not different between the stress, RU486 and stress/RU486 groups (P>0.05). Chronic restraint stress causes increase in mRNA expression of MC4R in ARC and blockade of glucocorticoid receptors has no effect on this up-regulation.
引用
收藏
页码:182 / 187
页数:6
相关论文
共 23 条
[1]   Involvement of melanocortin-4 receptor in anxiety and depression [J].
Chaki, S ;
Okuyama, S .
PEPTIDES, 2005, 26 (10) :1952-1964
[2]   A β3-Adrenergic-Leptin-Melanocortin Circuit Regulates Behavioral and Metabolic Changes Induced by Chronic Stress [J].
Chuang, Jen-Chieh ;
Krishnan, Vaishnav ;
Yu, Hana G. ;
Mason, Brittany ;
Cui, Huixing ;
Wilkinson, Matthew B. ;
Zigman, Jeffrey M. ;
Elmquist, Joel K. ;
Nestler, Eric J. ;
Lutter, Michael .
BIOLOGICAL PSYCHIATRY, 2010, 67 (11) :1075-1082
[3]   The hypothalamic melanocortin system stimulates the hypothalamo-pituitary-adrenal axis in vitro and in vivo in male rats [J].
Dhillo, WS ;
Small, CJ ;
Seal, LJ ;
Kim, MS ;
Stanley, SA ;
Murphy, KG ;
Ghatei, MA ;
Bloom, SR .
NEUROENDOCRINOLOGY, 2002, 75 (04) :209-216
[4]  
DOCARMO J, 2014, FASEB J, V28, P686
[5]   Role of central melanocortin pathways in energy homeostasis [J].
Garfield, Alastair S. ;
Lam, Daniel D. ;
Marston, Oliver J. ;
Przydzial, Magdalena J. ;
Heisler, Lora K. .
TRENDS IN ENDOCRINOLOGY AND METABOLISM, 2009, 20 (05) :203-215
[6]   Local circuit regulation of paraventricular nucleus stress integration - Glutamate-GABA connections [J].
Herman, JP ;
Tasker, JG ;
Ziegler, DR ;
Cullinan, WE .
PHARMACOLOGY BIOCHEMISTRY AND BEHAVIOR, 2002, 71 (03) :457-468
[7]   Child maltreatment in the United States: Prevalence, risk factors, and adolescent health consequences [J].
Hussey, Jon M. ;
Chang, Jen Jen ;
Kotch, Jonathan B. .
PEDIATRICS, 2006, 118 (03) :933-942
[8]   A standard curve based method for relative real time PCR data processing [J].
Larionov, A ;
Krause, A ;
Miller, W .
BMC BIOINFORMATICS, 2005, 6 (1)
[9]   Anhedonia requires MC4R-mediated synaptic adaptations in nucleus accumbens [J].
Lim, Byung Kook ;
Huang, Kee Wui ;
Grueter, Brad A. ;
Rothwell, Patrick E. ;
Malenka, Robert C. .
NATURE, 2012, 487 (7406) :183-U64
[10]   The melanocortinergic pathway is rapidly recruited by emotional stress and contributes to stress-induced anorexia and anxiety-like behavior [J].
Liu, Jing ;
Garza, Jacob C. ;
Truong, Ha V. ;
Henschel, John ;
Zhang, Wei ;
Lu, Xin-Yun .
ENDOCRINOLOGY, 2007, 148 (11) :5531-5540